This valve is attached to the heart in two separate locations—one to the mitral annulus and the other, through the chords, to the papillary muscle apparatus—and both move with ventricular ...

The causes of mitral regurgitation are diverse since the mitral valve apparatus is complex. Mitral regurgitation can occur when the mitral valve apparatus is itself diseased (primary mitral ...

MR occurs either due to disease involving the mitral valve apparatus, known as primary MR (or “organic” MR), or due to dilation of the mitral valve annulus associated with impaired left ...